Multigene phylogeny and mating tests reveal three cryptic species related to Calonectria pauciramosa |
| |
| Institution: | 1. Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria 0002, South Africa;2. CBS-KNAW Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands;3. Department of Genetics, Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria 0002, South Africa |
| |
| Abstract: | Calonectria pauciramosa is a pathogen of numerous plant hosts worldwide. Recent studies have indicated that it included cryptic species, some of which are identified in this study. Isolates from various geographical origins were collected and compared based on morphology, DNA sequence data of the β-tubulin, histone H3 and translation elongation factor-1α regions and mating compatibility. Comparisons of the DNA sequence data and mating compatibility revealed three new species. These included Ca. colombiana sp. nov. from Colombia, Ca. polizzii sp. nov. from Italy and Ca. zuluensis sp. nov. from South Africa, all of which had distinguishing morphological features. Based on DNA sequence data, Ca. brasiliensis is also elevated to species level.Taxonomic novelties: Calonectria brasiliensis (Bat. & Cif.) L. Lombard, M.J. Wingf. & Crous, comb. nov., Calonectria colombiana L. Lombard, Crous & M.J. Wingf., sp. nov., Calonectria polizzii L. Lombard, Crous & M.J. Wingf., sp. nov., Calonectria zuluensis L. Lombard, Crous & M.J. Wingf., sp. nov. |
| |
| Keywords: | plant pathogens sexual compatibility systematics |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
